1
The direction of the arguments does actually make a difference:
2
3<?
4$a = array(
5 'x' => 'x',
6 'y' => 'y',
7 'z' => 'z',
8 't' => 't',
9);
10
11$b = array(
12 'x' => 'x',
13 'y' => 'y',
14 'z' => 'z',
15 't' => 't',
16 'g' => 'g',
17);
18
19print_r(array_diff_assoc($a, $b));
20print_r(array_diff_assoc($b, $a));
21?>
22
23echoes:
24
25Array
26(
27)
28Array
29(
30 [g] => g
31)
32
The direction of the arguments does actually make a difference: 2
3
<? 4
$a = array( 5
'x' => 'x', 6
'y' => 'y', 7
'z' => 'z', 8
't' => 't', 9
); 10
11
$b = array( 12
'x' => 'x', 13
'y' => 'y', 14
'z' => 'z', 15
't' => 't', 16
'g' => 'g', 17
); 18
19
print_r(array_diff_assoc($a, $b)); 20
print_r(array_diff_assoc($b, $a)); 21
?> 22
23
echoes: 24
25
Array 26
( 27
) 28
Array 29
( 30
[g] => g 31
) 32
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